2016 XC18

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6694425646 ± 8.63e-08
Semi-major axis (a)2.0520918855 AU ± 1.78e-08
Inclination (i)8.92743104° ± 2.18e-05
Long. of Asc. Node (Ω)64.60417776° ± 2.17e-05
Arg. of Perihelion (ω)279.78296695° ± 2.24e-05
Mean Anomaly (M)36.19708111° ± 1.14e-05
Mean Motion (n)0.3352872753°/day ± 4.36e-09
Perihelion dist (q)0.67833423 AU ± 1.77e-07
Aphelion dist (Q)3.42584954 AU ± 1.80e-07
Orbital Period2.93964715 yr ± 3.82e-08
Physical Parameters
H (abs. magnitude)21.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.274″
Uncertainty0
Orbit TypeApollo
MOID0.007225 AU
Observations Used128
Oppositions6
Arc Total2016-2025
First Observation Used2016-12-05
Last Observation Used2025-06-07
Observations (132)
Date Type RA Dec Mag Band Observatory
2016-12-18 03:53:45 C 03 32 13.13 +30 52 00.9 – q I52
2016-12-18 08:09:48 C 03 32 35.08 +30 53 38.5 – o 291
2016-12-18 08:13:23 C 03 32 35.42 +30 53 39.5 – o 291
2016-12-18 08:17:00 C 03 32 35.71 +30 53 41.1 – o 291
2025-05-21 11:35:48 C 16 27 06.064 -20 05 07.46 – X F51
2025-05-21 11:43:19 C 16 27 05.420 -20 05 12.70 – X F51
2025-05-21 11:50:52 C 16 27 04.779 -20 05 18.07 – X F51
2025-05-21 13:44:03 C 16 26 56.314 -20 06 09.65 – W 474
2025-05-21 13:49:11 C 16 26 55.848 -20 06 12.85 – W 474
2025-05-21 13:54:19 C 16 26 55.445 -20 06 16.92 – W 474
2025-05-21 13:59:27 C 16 26 55.044 -20 06 20.74 – W 474
2025-05-26 10:40:59 C 16 15 37.567 -21 47 54.12 – X F51
2025-05-26 10:52:17 C 16 15 36.098 -21 48 05.72 – X F51
2025-05-26 11:03:34 C 16 15 34.626 -21 48 17.31 – X F51
2025-05-26 11:14:51 C 16 15 33.165 -21 48 28.88 – X F51
2025-06-03 06:26:13 C 15 41 41.909 -26 19 33.89 – V U52
2025-06-03 06:42:06 C 15 41 37.433 -26 20 04.49 – V U52
2025-06-05 03:37:25 B 15 28 08.136 -27 56 10.54 – W 932
2025-06-05 03:52:02 B 15 28 02.945 -27 56 45.13 – W 932
2025-06-05 04:20:47 C 15 27 55.210 -27 57 45.20 – V 691
2025-06-05 04:27:07 C 15 27 52.940 -27 57 59.50 – V 691
2025-06-05 04:33:27 C 15 27 50.710 -27 58 14.70 – V 691
2025-06-06 05:09:40 C 15 18 56.459 -28 57 47.74 – V G96
2025-06-06 05:15:48 C 15 18 53.993 -28 58 01.34 – V G96
2025-06-06 05:21:55 C 15 18 51.502 -28 58 17.33 – V G96
2025-06-06 05:28:02 C 15 18 49.043 -28 58 32.92 – V G96
2025-06-06 06:56:17 C 15 18 13.330 -29 02 16.50 – V 291
2025-06-06 07:01:45 C 15 18 11.100 -29 02 29.70 – V 291
2025-06-06 07:07:33 C 15 18 08.740 -29 02 44.20 – V 291
2025-06-07 04:16:57 C 15 09 24.960 -29 58 14.50 – V 691
2025-06-07 04:34:07 C 15 09 17.070 -29 59 02.60 – V 691
2025-06-07 04:51:16 C 15 09 09.170 -29 59 49.70 – V 691